*{
    margin:0;
    padding:0;
}
a{
    text-decoration: none;
}
i{
    font-style: normal;
}
html{
    font-size:26.67vw;
}
html,body{
    background: #f7f7f7;
    /*height:100%;*/
    display:-webkit-flex;
    justify-content: space-between;
    flex-direction: column;
}
/*头部样式*/
.header-wrapper{
    width:100%;
    height: 0.87rem;
}
.header-top{
    width:100%;
    height:0.45rem;
    background: #1f1f23;
    display: -webkit-flex;
    -webkit-justify-content: space-between;
    align-items: center;
    padding:0 0.19rem;
    box-sizing: border-box;
}
.header-top a{
    display: -webkit-flex;
    color: #fff;
    font-size:12px;
}
.header-top .back-last{
    text-decoration: underline;
}
.header-top h4{
    font-size:14px;
    color: #fff;
    font-weight:100;
}
.header-wrapper .nav{
    width: 100%;
    height: 0.42rem;
    display: -webkit-flex;
    align-items: center;
    background: #fff;
    -webkit-justify-content: space-around;
    font-size:12px;
}
.header-wrapper .nav a{
    display: block;
    height: 0.42rem;
    line-height: 0.42rem;
    color: #343434;
    text-decoration: underline;
}
.header-wrapper .nav .active{
    border-bottom: 1px solid #f23030;
    color: #f23030;
}
.content-wrapper{
    margin-top: 0.4rem;
    width: 100%;
    padding:0 0.42rem;
    box-sizing: border-box;
    background: #fff;
}
.content-wrapper .alert{
    font-size:12px;
    text-align: center;
}
.content-wrapper .alert img{
    width: 0.85rem;
    height:0.87rem;
    display: block;
    margin: auto;
}
.content-wrapper .alert h3{
    font-weight:100;
}

